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4bf80d209a
Moved QUnit assertion dependencies from `lib/bootstrap` to `lib/qunit`. Corrected bad draggable assertions. Ref gh-1528
106 lines
4.1 KiB
JavaScript
106 lines
4.1 KiB
JavaScript
/**
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* Checks that the first two arguments are equal, or are numbers close enough to be considered equal
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* based on a specified maximum allowable difference.
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*
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* @example assert.close(3.141, Math.PI, 0.001);
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*
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* @param Number actual
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* @param Number expected
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* @param Number maxDifference (the maximum inclusive difference allowed between the actual and expected numbers)
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* @param String message (optional)
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*/
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function close(actual, expected, maxDifference, message) {
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var actualDiff = (actual === expected) ? 0 : Math.abs(actual - expected),
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result = actualDiff <= maxDifference;
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message = message || (actual + " should be within " + maxDifference + " (inclusive) of " + expected + (result ? "" : ". Actual: " + actualDiff));
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QUnit.push(result, actual, expected, message);
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}
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/**
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* Checks that the first two arguments are equal, or are numbers close enough to be considered equal
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* based on a specified maximum allowable difference percentage.
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*
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* @example assert.close.percent(155, 150, 3.4); // Difference is ~3.33%
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*
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* @param Number actual
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* @param Number expected
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* @param Number maxPercentDifference (the maximum inclusive difference percentage allowed between the actual and expected numbers)
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* @param String message (optional)
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*/
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close.percent = function closePercent(actual, expected, maxPercentDifference, message) {
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var actualDiff, result;
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if (actual === expected) {
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actualDiff = 0;
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result = actualDiff <= maxPercentDifference;
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}
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else if (actual !== 0 && expected !== 0 && expected !== Infinity && expected !== -Infinity) {
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actualDiff = Math.abs(100 * (actual - expected) / expected);
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result = actualDiff <= maxPercentDifference;
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}
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else {
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// Dividing by zero (0)! Should return `false` unless the max percentage was `Infinity`
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actualDiff = Infinity;
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result = maxPercentDifference === Infinity;
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}
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message = message || (actual + " should be within " + maxPercentDifference + "% (inclusive) of " + expected + (result ? "" : ". Actual: " + actualDiff + "%"));
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QUnit.push(result, actual, expected, message);
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};
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/**
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* Checks that the first two arguments are numbers with differences greater than the specified
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* minimum difference.
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*
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* @example assert.notClose(3.1, Math.PI, 0.001);
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*
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* @param Number actual
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* @param Number expected
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* @param Number minDifference (the minimum exclusive difference allowed between the actual and expected numbers)
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* @param String message (optional)
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*/
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function notClose(actual, expected, minDifference, message) {
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var actualDiff = Math.abs(actual - expected),
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result = actualDiff > minDifference;
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message = message || (actual + " should not be within " + minDifference + " (exclusive) of " + expected + (result ? "" : ". Actual: " + actualDiff));
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QUnit.push(result, actual, expected, message);
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}
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/**
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* Checks that the first two arguments are numbers with differences greater than the specified
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* minimum difference percentage.
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*
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* @example assert.notClose.percent(156, 150, 3.5); // Difference is 4.0%
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*
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* @param Number actual
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* @param Number expected
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* @param Number minPercentDifference (the minimum exclusive difference percentage allowed between the actual and expected numbers)
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* @param String message (optional)
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*/
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notClose.percent = function notClosePercent(actual, expected, minPercentDifference, message) {
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var actualDiff, result;
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if (actual === expected) {
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actualDiff = 0;
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result = actualDiff > minPercentDifference;
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}
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else if (actual !== 0 && expected !== 0 && expected !== Infinity && expected !== -Infinity) {
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actualDiff = Math.abs(100 * (actual - expected) / expected);
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result = actualDiff > minPercentDifference;
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}
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else {
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// Dividing by zero (0)! Should only return `true` if the min percentage was `Infinity`
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actualDiff = Infinity;
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result = minPercentDifference !== Infinity;
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}
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message = message || (actual + " should not be within " + minPercentDifference + "% (exclusive) of " + expected + (result ? "" : ". Actual: " + actualDiff + "%"));
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QUnit.push(result, actual, expected, message);
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};
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QUnit.extend(QUnit.assert, {
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close: close,
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notClose: notClose
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}); |